--- a/js-packages/tests/eth/api/CollectionHelpers.sol
+++ b/js-packages/tests/eth/api/CollectionHelpers.sol
@@ -132,8 +132,7 @@
 type CollectionFlags is uint8;
 
 library CollectionFlagsLib {
-	/// Tokens in foreign collections can be transferred, but not burnt
-	CollectionFlags constant foreignField = CollectionFlags.wrap(128);
+	CollectionFlags constant reservedField0 = CollectionFlags.wrap(128);
 	/// Supports ERC721Metadata
 	CollectionFlags constant erc721metadataField = CollectionFlags.wrap(64);
 	/// External collections can't be managed using `unique` api
--- a/pallets/unique/src/eth/stubs/CollectionHelpers.sol
+++ b/pallets/unique/src/eth/stubs/CollectionHelpers.sol
@@ -199,8 +199,7 @@
 type CollectionFlags is uint8;
 
 library CollectionFlagsLib {
-	/// Tokens in foreign collections can be transferred, but not burnt
-	CollectionFlags constant foreignField = CollectionFlags.wrap(128);
+	CollectionFlags constant reservedField0 = CollectionFlags.wrap(128);
 	/// Supports ERC721Metadata
 	CollectionFlags constant erc721metadataField = CollectionFlags.wrap(64);
 	/// External collections can't be managed using `unique` api